Deck 6: Measures of Central Tendency

Question 1

_____ is the median in the following age distribution: 1, 2, 3, 5, 6, 6, 19

A)4
B)5
C)6
D)7

Answer 1

5

Question 2

Which of the following statements is true about distributions and central tendency?

A)It is possible to have two modes in a distribution
B)It is impossible to have a distribution in which the mean is far away from most of the values in the distribution.
C)If the mean of one group is 10, and the mean of the second group is 20, then the second group has twice as many people scoring higher than the mean of the first group.
D)It is possible to have two means in a distribution.

Answer 2

It is possible to have two modes in a distribution

Question 3

If a treatment group has a mode of 4 on a scale measuring degree of emotional distress, then the majority of the cases in that group have a score of 4.

Answer 3

False

Question 4

If a treatment group has a mean score of 4 on an ordinal level scale measuring degree of emotional distress, and a control group has a mean score of 8 on that scale, then the control group on average has exactly twice as much actual emotional distress as the treatment group.

Question 5

The median can be used to describe the central tendency of the variable "religion."

Question 6

The number appearing most frequently in a distribution is the:

A)mean
B)median
C)mode
D)frequency

Question 7

-The mean is:

A)3
B)15
C)7
D)4

Question 8

It is possible to have a both mean and a median in a distribution that are both very distant from most of the scores in that distribution.

Question 9

Given the following age distribution, 7 is the: 4, 5, 6, 7, 8, 12

A)mean
B)median
C)mode
D)standard deviation

Question 10

Given the following age distribution, 24 is the: 20, 22, 23, 25, 30, 36

A)mean
B)median
C)mode
D)standard deviation

Question 11

The number in a distribution that is vulnerable to the influence of extreme values is the:

A)mean
B)median
C)mode
D)maximum

Question 12

The mean can be used to describe the central tendency of the variable "marital status."

Question 13

_____ is the mean in the following age distribution: 1, 2, 3, 5, 6, 6, 19

A)4
B)5
C)6
D)7

Question 14

What is the mode in the following age distribution? 4, 5, 5, 5, 6, 7, 8, 9, 9, 9, 10

A)7
B)5
C)9
D)Both 5 and 9 in this bimodal distribution

Question 15

_____ is the mode in the following age distribution: 1, 2, 3, 5, 6, 6, 19

A)4
B)5
C)6
D)7

Question 16

-The mode is:

A)3
B)15
C)7
D)4

Question 17

Given the following age distribution, the mean would be __________ the median. 4, 4, 5, 5, 5, 6, 12

A)less than
B)greater than
C)equal to
D)divided by

Question 18

If a treatment group has a mean score of 4 on a scale measuring degree of emotional distress, then the typical case in that group has a score of 4.

Question 19

The median is:

A)3
B)15
C)7
D)4